Try Our Apps


90s Slang You Should Know

vacuum flask

an insulating flask that has double walls, usually of silvered glass, with an evacuated space between them. It is used for maintaining substances at high or low temperatures Also called Thermos, Dewar flask
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Examples from the Web for vacuum flask
Historical Examples
  • I bent over him with an invalid's cup of liquid food prepared for this emergency, kept hot in a vacuum flask.

    Secret History Revealed By Lady Peggy O'Malley C. N. Williamson and A. M. Williamson
  • I happened to have a vacuum flask and some sandwiches, and these I divided with him.

    The Golden Face William Le Queux
  • He put a vacuum flask in Jimmy's hand and turned to the others.

    Northwest! Harold Bindloss
  • Spry took a vacuum flask from a cupboard, and left the cabin to fill it.

    Pincher Martin, O.D. H. Taprell Dorling

Word of the Day

Word Value for vacuum

Scrabble Words With Friends

Nearby words for vacuum flask